[ 3179.581989][T22574] gre: GRE over IPv4 demultiplexor driver
[ 3181.629332][T22598] ip_gre: GRE over IPv4 tunneling driver
[ 3243.129118][T23171] ip6_gre: GRE over IPv6 tunneling driver
[ 3284.919665][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3290.999583][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3296.246594][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3302.263587][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!